3-Amino-5-methylisoxazole
Synonym(s):3-Amino-5-methylisoxazole;5-Methyl-3-isoxazolamine;NSC 159134;Sulfamethoxazole Impurity C (Ph. Eur.)
- CAS NO.：1072-67-9
- Empirical Formula: C4H6N2O
- Molecular Weight: 98.1
- MDL number: MFCD00003155
- EINECS: 214-013-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-07 19:09:50
What is 3-Amino-5-methylisoxazole?
Chemical properties
yellow crystalline powder, crystals and chunks
The Uses of 3-Amino-5-methylisoxazole
3-Amino-5-methylisoxazole was used in synthesis of:
- naphtho[1,2-e][1,3]oxazines
- series of 1-aryl-4-methyl-3,6-bis-(5-methylisoxazol-3-yl)-2-thioxo-2,3,6,10b-tetrahydro-1H-pyrimido[5,4-c]quinolin-5-ones, having potential mosquito larvicidal activity
- hydroxylamines of sulfadiazine and sulfamethoxazole
The Uses of 3-Amino-5-methylisoxazole
Sulfamethoxazole (SMX) (S699086) Impurity. A degradation product in water by a bioluminescence method during application of the electro-Fenton treatment.
General Description
3-Amino-5-methylisoxazole is the major intermediate formed during sulfamethoxazole biodegradation by Pseudomonas psychrophila strain HA-4. It is the intermediate formed during the photocatalytic degradation of sulfamethoxazole (SMX).
Properties of 3-Amino-5-methylisoxazole
| Melting point: | 59-61 °C(lit.) |
| Boiling point: | 183.6°C (rough estimate) |
| Density | 1.1890 (rough estimate) |
| refractive index | 1.4327 (estimate) |
| storage temp. | 2-8°C |
| solubility | soluble |
| form | Solid |
| pka | 2.40±0.10(Predicted) |
| color | Off-White to Brown |
| PH | 6.0-7.5 (10g/l, H2O, 20℃) |
| Water Solubility | soluble |
| BRN | 108110 |
| CAS DataBase Reference | 1072-67-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Isoxazolamine, 5-methyl-(1072-67-9) |
| EPA Substance Registry System | 3-Isoxazolamine, 5-methyl- (1072-67-9) |
Safety information for 3-Amino-5-methylisoxazole
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 3-Amino-5-methylisoxazole
| InChIKey | FKPXGNGUVSHWQQ-UHFFFAOYSA-N |
3-Amino-5-methylisoxazole manufacturer
Clickchem Research LLP
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Phone:+91-8140031133
Whatsapp: +91- 8140031133
product: SULFAMETHOXAZOLE EP IMPURITY C 90 % Above
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